Home / 82,375.80-123,516.86-32,428.85

Finding the Fourth Proportional to 82,375.80, 123,516.86 and 32,428.85

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Solution

The fourth proportional to 82,375.80, 123,516.86 and 32,428.85 is: 48,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,375.80 : 123,516.86 = 32,428.85 : x
  2. Step 2: Convert to fraction form
    82,375.80/123,516.86 = 32,428.85/x
  3. Step 3: Cross multiply
    82,375.80x = 123,516.86 × 32,428.85
  4. Step 4: Simplify right side
    82,375.80x = 4,005,508,945.68
  5. Step 5: Solve for x
    x = 4,005,508,945.68/82,375.80
  6. Step 6: Final answer
    x = 48,624.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.